#ifndef __KEY_H__
#define __KEY_H__
#include <REGX52.H>
#include "delay.h"
#include <intrins.h> 
sbit key01 = P3^0 ;
sbit key02 = P3^1 ;
sbit key03 = P3^2 ;
sbit key04 = P3^3 ;
int scan_key();
	int scan_key_1();
#endif